HP MSR2000/3000/4000 Router Series Layer 3 - IP Services Command Reference

87
Keyword (mode)
If no padding format
is s
p
ecified
If the padding
format is ascii
The padding format is hex
verbose
Hex for the VLAN ID.
ASCII for the node
identifier, Ethernet
type, chassis number,
slot number, sub-slot
number, and interface
number.
ASCII.
ASCII for the node identifier and
Ethernet type.
Hex for the chassis number, slot
number, sub-slot number,
interface number, and VLAN ID.
If replace is configured as the handling strategy for DHCP requests that contain Option 82, you must
specify the padding content and code type for the circuit ID sub-option. If the handling strategy is keep
or drop, you do not need to specify the padding content and code type for the circuit ID sub-option.
Examples
# Configure verbose as the padding format, device name as the node identifier, and ASCII as the code
type for the circuit ID sub-option.
<Sysname> system-view
[Sysname] interface ethernet 1/1
[Sysname-Ethernet1/1] dhcp snooping information enable
[Sysname-Ethernet1/1] dhcp snooping information strategy replace
[Sysname-Ethernet1/1] dhcp snooping information circuit-id verbose node-identifier
sysname format ascii
Related commands
• dhcp snooping information enable
• dhcp snooping information strategy
• display dhcp snooping information
dhcp snooping information enable
Use dhcp snooping information enable to enable DHCP snooping to support Option 82.
Use undo dhcp snooping information enable to disable this function.
Syntax
dhcp snooping information enable
undo dhcp snooping information enable
Default
DHCP snooping does not support Option 82.
Views
Layer 2 Ethernet interface view
Predefined user roles
network-admin